Q: Is 377,580 a Prime Number?
A: No, 377,580 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 377580 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 29 30 31 35 42 58 60 62 70 84 87 93 105 116 124 140 145 155 174 186 203 210 217 290 310 348 372 406 420 434 435 465 580 609 620 651 812 868 870 899 930 1,015 1,085 1,218 1,302 1,740 1,798 1,860 2,030 2,170 2,436 2,604 2,697 3,045 3,255 3,596 4,060 4,340 4,495 5,394 6,090 6,293 6,510 8,990 10,788 12,180 12,586 13,020 13,485 17,980 18,879 25,172 26,970 31,465 37,758 53,940 62,930 75,516 94,395 125,860 188,790 and 377,580, with no remainder.
Since 377,580 cannot be divided by just 1 and 377,580, it is not a prime number.